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19
RESULTS

Media Type
19
movies
Topics & Subjects
13
Motion Pictures: In Education
6
Motion pictures: In education
4
Science
3
Health and Hygiene
2
Electricity
2
Motion Pictures: Sponsored
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Collection
19
Prelinger Archives
7
karlschoonover Favorites
7
rr1955 Favorites
6
ProfRule Favorites
5
aat5t Favorites
5
dollie37 Favorites
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Creator
3
encyclopedia britannica films, inc.
2
encyclopaedia britannica films
2
general electric
1
centron productions
1
coronet instructional films
1
dudley pictures corporation
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